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Neonatal morbidity according to gestational age and birth weight from five tertiary care centers in the United States, 1983 through 1986

Family MedicinePerinatal HealthNeonatologyMedicineMaternal ComplicationPediatricsGestational AgePregnancyMaternal HealthPerinatal EpidemiologyPreterm BirthPrenatal CarePublic HealthUnited StatesBirth WeightBirth OutcomesHigh-risk PregnancyHospital Medicine